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fftfpga
- 采用按时间抽选的基4原位算法和坐标旋转数字式计算机(CORDIC)算法实现了一个FFT实时谱分析系统。整个设计采用流水线工作方式,保证了系统的速度,避免了瓶劲的出现;整个系统采用FPGA实现,实验表明,该系统既有DSP器件实现的灵活性又有专用FFT芯片实现的高速数据吞吐能力,可以广泛地应用于数字信号处理的各个领域。-time selected by using the in-situ-4 algorithm and coordinate rotation digital computer (CO
FFT
- FFT频谱分析 非常不错的一些例子 对于初学者非常有帮助!-FFT spectrum analysis of some very good examples of very helpful for beginners!
eg-fft
- fft1.用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图 2.进行FFT变换,显示各自频谱图,其中采样率,频率、数据长度自选 3.做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4.用IFFT傅立叶反变换恢复信号,并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
matlab13
- MATLAB下的数字信号处理实现示例,包括信号、系统和系统响应的MATLAB函数以及用FFT进行信号的频谱分析的函数及其实现-MATLAB under the digital signal processing to achieve sample, including the signal system and the system response function as well as the MATLAB signal FFT spectrum analysis function and
AudioSpectrumAnalyzerArticle
- This article describes how to build simple audio spectrum analyzer based on FFT algorithm using Philips LPC2138 microcontroller.
Foreign-design-Radio-Spectrum-Monitor
- 分析了输入信号的频谱,运用的FFT处理数据,外国人设计的 效果不错-This is an experimental work to monitor a spectrum pattern in radio band, and is a continuous project from Audio Spectrum Monitor. To analyze the spectrum of an input signal, I chose an Atmel AVR microcontroller that
FFT
- 基于一维快速傅里叶变换FFT频谱估计的移动物体速度估计法-Estimation of moving objects based on one-dimensional fast Fourier transform FFT spectrum estimation speed
Project-Audio-Spectrum-by-AVR-FFT-Proteus
- Project Audio Spectrum by AVR atmega128 - FFT - GLCD 128x64
FFT
- 用DFT实现长序列卷积并用FFT进行信号谱分析-Long sequence convolution using DFT, FFT signal spectrum analysis
FFT
- FFT频谱分析,对输入信号进行采样。取出其中一段数据,然后计算其自相关。计算结果可以通过用VisualDSP++的plot功能描绘出来。-FFT spectrum analysis, the input signal is sampled. Remove one piece of data, and then calculate the autocorrelation. The calculation results can by using VisualDSP++ plot function
fft
- 对变形的条纹图像进行傅立叶变换得到二维频谱图并提取基频-Fourier transform in deformation stripes image two-dimensional spectrum and extract the fundamental frequency
fft
- 快速傅里叶变换,绘制幅值谱,直接输入信号离散-Drawing amplitude spectrum
matlab-fft
- 主要用于对MATLAB的仿真上,进行FFT函数快速分析,已得到频谱波形和谐波波形的显示,进一步分析原理。-Mainly used MATLAB simulation, rapid analysis of the FFT function, has been harmonious spectrum waveform waveform display, further analysis of the principle.
matlab11
- matlab数字信号处理示例,包含信号、系统和系统响应;用FFT进行信号的频谱分析等-Digital signal processing matlab examples, including signal, the system and the system response signal using the FFT spectrum analysis
matlab-fft
- matlab平台基于傅立叶变换的信号频谱分析深度理解和仿真,一看就能明白!-Based on the signal spectrum analysis matlab platform Fourier transform depth understanding and simulation, a look can understand!
FPGA-DESIGN-OF-A-HARDWARE-EFFICIENT-PIPELINED-FFT
- The digital wideband receiver is a critical component in modern digital receivers. The receiver has the capability to expose and distinguish adverse signals contained within a large bandwidth (on the order of 1 GHz or more) of the radio frequency (RF
2
- 加深对离散信号的DTFT和DFT的及其相互关系的理解。;在理论基础上,加深对快速傅立叶变换的理解,熟悉FFT算法及其程序的编写;熟悉应用FFT对典型信号进行频谱分析的方法。-To deepen DTFT the discrete signal and DFT and its understanding of the relationship. On the basis of theory, deepen the understanding of fast Fourier transform,
FFT-
- 基于matlab的傅里叶频谱分析实验报告,可作为信号系统和通信原理的实验参考。-Based on matlab Fourier spectrum analysis experimental report, can be used as a signal system and communication principle of experimental reference
FSWT-and-Spectrum-Kurtosis
- 本文提出一种基于频率切片小波变换和谱峭度的综合算法。首先对轴承端的振动信号时频分析,采用FFT、包络谱、频率切片小波变换对其频域性能进行分析,再求其峭度谱与对应包络谱,结合其时域、频域性能,综合分析轴承故障。-This paper presents a synthesis algorithm based on frequency slice wavelet transform and spectral kurtosis. Firstly, the time-frequency analysis
Simulink下的频谱分析方法及matlab的FFT编程
- 利用Matlab编程实现FFT实践及频谱分析(Realization of FFT Practice and Spectrum Analysis by Matlab Programming)